also the new series about navigating the economy. how you can make a lot more money if you want to sell a family car. watch. we help double the value after abc >>> a question many people fighting to lose weight may want to ask. am i addicted to food? a new book seeks to answer that question and solve a problem. and abc's juju chang talked about her steps. >> kara admits whit came to food she was powerless. >> i would get wings, waffle fries with cheese and gravy. >> 22 and 316 pounds she decided to go on biggest loser. and lost 155 pounds. but soon, weight came back. she realized she was a food addict. dr. pete's new book describes how food is like a drug. >> how could a cupcake have the same qualities as cocaine. >> a combination of sugary, salty, fatty foods you're secreting lots of dopamine giving you a fantastic feeling of wow this, is wonder oofl for some people, pleasure receptors turn off, for others it keeps wanting more. but the doctor says you can retrain your brain using three m's. mind, mouth, muscles. >> there is one, st